linux/drivers/gpu/drm/omapdrm/omap_encoder.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
 * Author: Rob Clark <[email protected]>
 */

#include <linux/list.h>

#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_edid.h>

#include "omap_drv.h"

/*
 * encoder funcs
 */

#define to_omap_encoder(x) …

/* The encoder and connector both map to same dssdev.. the encoder
 * handles the 'active' parts, ie. anything the modifies the state
 * of the hw, and the connector handles the 'read-only' parts, like
 * detecting connection and reading edid.
 */
struct omap_encoder { … };

static void omap_encoder_destroy(struct drm_encoder *encoder)
{ … }

static const struct drm_encoder_funcs omap_encoder_funcs = …;

static void omap_encoder_update_videomode_flags(struct videomode *vm,
						u32 bus_flags)
{ … }

static void omap_encoder_mode_set(struct drm_encoder *encoder,
				  struct drm_display_mode *mode,
				  struct drm_display_mode *adjusted_mode)
{ … }

static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = …;

/* initialize encoder */
struct drm_encoder *omap_encoder_init(struct drm_device *dev,
				      struct omap_dss_device *output)
{ … }